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Fast Yellow AB

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Fast Yellow AB
Skeletal formula of Fast Yellow AB
Ball-and-stick model of the Fast Yellow AB molecule
Names
IUPAC name 2-amino-5-benzenesulfonic acid
Other names Fast Yellow
Acid Yellow
Food Yellow 2
C.I. 13015
Identifiers
CAS Number
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.018.448 Edit this at Wikidata
EC Number
  • 202-947-7
E number E105 (colours)
PubChem CID
UNII
CompTox Dashboard (EPA)
InChI
  • InChI=1S/C12H11N3O6S2/c13-11-6-3-9(7-12(11)23(19,20)21)15-14-8-1-4-10(5-2-8)22(16,17)18/h1-7H,13H2,(H,16,17,18)(H,19,20,21)Key: DCYBHNIOTZBCFS-UHFFFAOYSA-N
SMILES
  • Nc1ccc(cc1OS(O)=O)/N=N/c2ccc(OS(O)=O)cc2
Properties
Chemical formula C12H11N3O6S2
Molar mass 357.36 g·mol
Hazards
GHS labelling:
Pictograms GHS07: Exclamation mark
Signal word Warning
Hazard statements H315, H319, H335
Precautionary statements P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). checkY verify (what is  ?) Infobox references
Chemical compound

Fast Yellow AB is an azo dye. It used to be used as a food dye, designated in Europe by the E number E105. It is now delisted in both Europe and USA and is forbidden if used in foods and drinks, as toxicological data has shown it is harmful. E105 has been implicated in non-atopic asthma.

References

  1. STATEMENT OF HAZARDOUS NATURE. Synonyms: ...Fast Yellow AB... pdf
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